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MHT CET202019 Oct 2020Morning ShiftPhysicsAtomic PhysicsActual

The ground state energy of hydrogen atom is -13 6 eV . The kinetic and potential energy of the electron in the second excited state is respectively

Options

  1. A+3 02 eV ,-1 51 eV
  2. B1 51 eV ,-3 02 eV
  3. C-1 51 eV ,+3 02 eV
  4. D+3 02 eV ,+1 51 eV

Correct answer

B. 1 51 eV ,-3 02 eV

Step-by-step solution

(D) For second excited state n=3 Total energy in the third orbit E₃= -13.6 9 eV =-1.51 eV K.E. =- T.E. =1.51 eV P.E. =2 .T.E. =-3.32 eV

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